Busgal-api

- Add python package workflow status badge
- Switch license badge from PyPi to GitHub

- Remove the unused selenium implementation, as it was bloat
- Add syntax highlighting to README.rst

Solves bug which made expedition.operator a tuple; this was just because there was a comma in the end of a line.

Readded the get_stops() and get_operators() functions.
Solved some bugs
Added links to README.rst

In this release i switched from selenium scraping bus.gal to using the [app](https://play.google.com/store/apps/details?id=gal.xunta.transportepublico)'s API.

This should work.

https://pypi.org/project/busGal-api/
https://busgal-api.readthedocs.io/en/latest/